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[Bug 1032625] Re: System freezes in heavy load

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Ludovic Duvaux, could you please confirm this issue exists with the
latest development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal (Applications->Accessories->Terminal), as it will
automatically gather and attach updated debug information to this
report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.11-rc4

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

If you are unable to test the mainline kernel, please comment as to why specifically you were unable to test it and add the following tags:
kernel-unable-to-test-upstream
kernel-unable-to-test-upstream-VERSION-NUMBER

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Tags added: latest-bios-a12 needs-upstream-testing regression-
potential

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

-- 
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https://bugs.launchpad.net/bugs/1032625

Title:
  System freezes in heavy load

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  I've got a Dell studio 1558 and I experience the following bug (see at bottom for the relevant syslog content). It seems to happen while the laptop is in cpu heavy load (when running Déjà Dup for example but not only, can be a lot of program running at the same time) though I'm not completely sure (kind of random). It seems to happen by bursts as well: for 30 minutes, it would crash every five minutes and then be stable for hours, though this pattern can just be an artefact of my use of the laptop (e.g. the system may be more prone to freeze when I start a lot of applications at the same time as when the laptop restarts for instance).
  Anyway, the bug tends to make my system very unstable as I need to make heavy computations relatively often.

  Also, the bug is quite recent (not sure it happened before the update
  to the kernel 3.2.0-27) made on the 24th of July on my laptop.
  Moreover it may be even younger as I succesfully made a Déjà Dup
  backup on the 27th of July (that is not possible anymore).

  Is there any workaround yet ?
  Good luck with it,
  Thank you

  Ludovic

  Part of the syslog content:

  Aug  3 11:03:06  dhclient: last message repeated 3 times
  Aug  3 11:03:06 ludovic1558 avahi-daemon[1118]: Invalid response packet from host fe80::3ed0:f8ff:fe4e:307e.
  Aug  3 11:03:12  avahi-daemon[1118]: last message repeated 7 times
  Aug  3 11:03:12 ludovic1558 dhclient: DHCPREQUEST of 143.167.205.18 on eth1 to 172.22.0.240 port 67
  Aug  3 11:03:35  dhclient: last message repeated 2 times
  Aug  3 11:03:35 ludovic1558 avahi-daemon[1118]: Invalid response packet from host fe80::62c5:47ff:fe03:1c08.
  Aug  3 11:03:45 ludovic1558 dhclient: DHCPREQUEST of 143.167.205.18 on eth1 to 172.22.0.240 port 67
  Aug  3 11:03:57 ludovic1558 dhclient: DHCPREQUEST of 143.167.205.18 on eth1 to 255.255.255.255 port 67
  Aug  3 11:03:57 ludovic1558 dhclient: DHCPACK of 143.167.205.18 from 172.22.0.240
  Aug  3 11:03:57 ludovic1558 dhclient: bound to 143.167.205.18 -- renewal in 507 seconds.
  Aug  3 11:05:01 ludovic1558 wpa_supplicant[1273]: WPA: Group rekeying completed with 04:fe:7f:48:40:91 [GTK=TKIP]
  Aug  3 11:05:19 ludovic1558 avahi-daemon[1118]: Invalid response packet from host fe80::5ab0:35ff:fe51:f02f.
  Aug  3 11:05:22  avahi-daemon[1118]: last message repeated 3 times
  Aug  3 11:05:22 ludovic1558 avahi-daemon[1118]: Invalid response packet from host fe80::e74:c2ff:fec3:4537.
  Aug  3 11:06:32  avahi-daemon[1118]: last message repeated 4 times
  Aug  3 11:08:07 ludovic1558 kernel: imklog 5.8.6, log source = /proc/kmsg started.
  Aug  3 11:08:07 ludovic1558 rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="1053" x-info="http://www.rsyslog.com";] start
  Aug  3 11:08:07 ludovic1558 rsyslogd: rsyslogd's groupid changed to 103
  Aug  3 11:08:07 ludovic1558 rsyslogd: rsyslogd's userid changed to 101
  Aug  3 11:08:07 ludovic1558 rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ]
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000] Initializing cgroup subsys cpuset
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000] Initializing cgroup subsys cpu
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000] Linux version 3.2.0-27-generic (buildd@allspice) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #43-Ubuntu SMP Fri Jul 6 14:25:57 UTC 2012 (Ubuntu 3.2.0-27.43-generic 3.2.21)
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.2.0-27-generic root=UUID=75b7951d-dc9b-4923-a733-8f69fed323e7 ro quiet splash vt.handoff=7
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000] KERNEL supported cpus:
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000]   Intel GenuineIntel
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000]   AMD AuthenticAMD
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000]   Centaur CentaurHauls
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000] BIOS-provided physical RAM map:
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000]  BIOS-e820: 0000000000000000 - 000000000009c400 (usable)
  Aug  3 11:08:07 ludovic1558 kernel: [    0.000000]  BIOS-e820: 000000000009c400 - 00000000000a0000 (reserved)
  --
  Aug  3 11:09:20 ludovic1558 dnsmasq[3898]: using nameserver 143.167.252.110#53
  Aug  3 11:09:20 ludovic1558 dnsmasq[3898]: using nameserver 2001:630:63:250::d10:53#53
  Aug  3 11:09:20 ludovic1558 dnsmasq[3898]: using nameserver 2001:630:63:250::d06:53#53
  Aug  3 11:09:20 ludovic1558 NetworkManager[1071]: <info> Policy set 'Auto eduroam' (eth1) as default for IPv6 routing and DNS.
  Aug  3 11:09:22 ludovic1558 dbus[1046]: [system] Activating service name='org.freedesktop.PackageKit' (using servicehelper)
  Aug  3 11:09:22 ludovic1558 AptDaemon: INFO: Initializing daemon
  Aug  3 11:09:22 ludovic1558 AptDaemon.PackageKit: INFO: Initializing PackageKit compat layer
  Aug  3 11:09:22 ludovic1558 dbus[1046]: [system] Successfully activated service 'org.freedesktop.PackageKit'
  Aug  3 11:09:22 ludovic1558 AptDaemon.PackageKit: INFO: Initializing PackageKit transaction
  Aug  3 11:09:22 ludovic1558 AptDaemon.Worker: INFO: Simulating trans: /org/debian/apt/transaction/dc5703740211406c9309b94e7de7ac11
  Aug  3 11:09:22 ludovic1558 AptDaemon.Worker: INFO: Processing transaction /org/debian/apt/transaction/dc5703740211406c9309b94e7de7ac11
  Aug  3 11:09:23 ludovic1558 dbus[1046]: [system] Activating service name='com.ubuntu.SystemService' (using servicehelper)
  Aug  3 11:09:24 ludovic1558 dbus[1046]: [system] Successfully activated service 'com.ubuntu.SystemService'
  Aug  3 11:09:25 ludovic1558 AptDaemon.PackageKit: INFO: Get updates()
  Aug  3 11:09:26 ludovic1558 AptDaemon.Worker: INFO: Finished transaction /org/debian/apt/transaction/dc5703740211406c9309b94e7de7ac11
  Aug  3 11:11:05 ludovic1558 kernel: imklog 5.8.6, log source = /proc/kmsg started.
  Aug  3 11:11:05 ludovic1558 rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="1090" x-info="http://www.rsyslog.com";] start
  Aug  3 11:11:05 ludovic1558 rsyslogd: rsyslogd's groupid changed to 103
  Aug  3 11:11:05 ludovic1558 rsyslogd: rsyslogd's userid changed to 101
  Aug  3 11:11:05 ludovic1558 rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ]
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000] Initializing cgroup subsys cpuset
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000] Initializing cgroup subsys cpu
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000] Linux version 3.2.0-27-generic (buildd@allspice) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #43-Ubuntu SMP Fri Jul 6 14:25:57 UTC 2012 (Ubuntu 3.2.0-27.43-generic 3.2.21)
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.2.0-27-generic root=UUID=75b7951d-dc9b-4923-a733-8f69fed323e7 ro quiet splash vt.handoff=7
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000] KERNEL supported cpus:
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000]   Intel GenuineIntel
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000]   AMD AuthenticAMD
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000]   Centaur CentaurHauls
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000] BIOS-provided physical RAM map:
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000]  BIOS-e820: 0000000000000000 - 000000000009c400 (usable)
  Aug  3 11:11:05 ludovic1558 kernel: [    0.000000]  BIOS-e820: 000000000009c400 - 00000000000a0000 (reserved)

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-27-generic 3.2.0-27.43
  ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
  Uname: Linux 3.2.0-27-generic x86_64
  NonfreeKernelModules: wl fglrx
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ludovic    2442 F.... pulseaudio
   /dev/snd/controlC0:  ludovic    2442 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf0b00000 irq 48'
     Mixer name	: 'IDT 92HD73C1X5'
     Components	: 'HDA:111d7675,10280413,00100103'
     Controls      : 17
     Simple ctrls  : 10
  Card1.Amixer.info:
   Card hw:1 'Generic'/'HD-Audio Generic at 0xcfedc000 irq 49'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100200'
     Controls      : 6
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  CheckboxSubmission: 01fa4e9b83cf38cdc07ae1878fe7f812
  CheckboxSystem: d00f84de8a555815fa1c4660280da308
  Date: Fri Aug  3 14:07:44 2012
  HibernationDevice: RESUME=UUID=3886c226-4736-46ec-acb9-247b68d77320
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: Dell Inc. Studio 1558
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-27-generic root=UUID=75b7951d-dc9b-4923-a733-8f69fed323e7 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-27-generic N/A
   linux-backports-modules-3.2.0-27-generic  N/A
   linux-firmware                            1.79
  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/30/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A12
  dmi.board.name: 0874P6
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A12
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A12
  dmi.modalias: dmi:bvnDellInc.:bvrA12:bd03/30/2011:svnDellInc.:pnStudio1558:pvrA12:rvnDellInc.:rn0874P6:rvrA12:cvnDellInc.:ct8:cvrA12:
  dmi.product.name: Studio 1558
  dmi.product.version: A12
  dmi.sys.vendor: Dell Inc.

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